I think it’s clear that Putin cares a lot more about Russia and Russians than Biden cares about America and Americans.
If that were true, Russians wouldn't get stabbed, shot, thrown from buildings, or have their apartments exploded to blame on the Chechens in that country. Putin also wouldn't permit the KGB-FSB to control 70-80% of appointed government posts, as well as control over huge chunks of the economy, which strangles regular Russians.